PFSA Polymer Dispersions by Composition

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PFSA Polymer Dispersions by Composition

PFSA Polymer Dispersions by Composition

Solvay Aquivion D72-25BS Perfluorosulfonic Acid (PFSA) Ionomer DispersionAvCarb® Gas Diffusion Layer

Categories: Electrodes & Core Components, Membranes & MEA Tags: Fuel Cell Ionomer, PFSA Ionomer, PFSA Polymer Dispersion, Proton Exchange Polymer

Description

Nafion PFSA Polymer Dispersions by Composition
Property	D520	D521	D1020	D1021	D2020	D2021
Polymer Content, wt%	5.0 min.	5.0 min.	10.0 min.	10.0 min.	20.0 min.	20.0 min.
Polymer Content, wt% (max.)	5.4 max.	5.4 max.	12.0 max.	12.0 max.	22.0 max.	22.0 max.
Water Content, wt%	45 ± 3	45 ± 3	87–90	87–90	34 ± 2	34 ± 2
VOC Content, wt%	50 ± 3	50 ± 3	<1	<1	46 ± 2	46 ± 2
1-Propanol, wt%	48 ± 3	48 ± 3	—	—	44 ± 2	44 ± 2
Ethanol, wt%	<4	<4	—	—	<2	<2
Mixed Ethers and Other VOCs, wt%	<1	<1	<1	<1	<1	<1
Specific Gravity	0.92–0.94	0.92–0.94	1.05–1.07	1.05–1.07	1.01–1.03	1.01–1.03
Available Acid Capacity, meq/g (H⁺ polymer basis)	>1.00	>0.92	>1.00	>0.92	>1.00	>0.92
Total Acid Capacity, meq/g (H⁺ polymer basis)	1.03–1.12	0.95–1.03	1.03–1.12	0.95–1.03	1.03–1.12	0.95–1.03
Viscosity, cP (25 °C / 77 °F, 40 s⁻¹ shear rate)	10–40	10–40	10–20	10–20	50–500	50–500

Additional information

D520	50ml

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